COMPARISON OF LIKERT SCALE WITH SEMANTIC DIFFERENTIAL
Both types of scales can assess attitudes, but have different formats.
Likert (summated rating) scale
Fixed response choices (e.g., agreement or frequency)
Items concern different aspects or descriptions of target
Semantic differential
Fixed target for attitude evaluation
Items are bipolar adjectives that concern target
Example
Objective: Determine attitudes about USF
Likert
1 = Strongly disagree 4 = Slightly agree
2 = Moderately disagree 5 = Moderately agree
3 = Slightly disagree 6 = Strongly agree
|
1. USF is an interesting place |
1 2 3 4 5 6 |
|
2. USF is a good university |
1 2 3 4 5 6 |
|
3. Going to USF was a mistake on my part |
1 2 3 4 5 6 |
|
4. I’m glad I’m attending USF |
1 2 3 4 5 6 |
|
5. USF is a great school |
1 2 3 4 5 6 |
|
6. The quality of classes at USF is poor |
1 2 3 4 5 6 |
Semantic Differential
The following items refer to: USF
Good __ __ __ __ __ __ __ __ __ Bad
Boring __ __ __ __ __ __ __ __ __ Interesting
Weak __ __ __ __ __ __ __ __ __ Strong
Active __ __ __ __ __ __ __ __ __ Passive
Like __ __ __ __ __ __ __ __ __ Dislike
Large __ __ __ __ __ __ __ __ __ Small
Copyright Paul E. Spector, All rights reserved. Last modified October 26, 1998.